Sulfur Dioxide (1971) Nonattainment Areas

Data is current as of August 31, 2023
Grouped by Designation

---

PRIMARY

Armstrong County: Madison, Mahoning, Boggs, Washington, Pine, PA

Hayden (Pinal County), AZ

Laurel Area (Yellowstone County), MT

Piti, GU

Tanguisson, GU

PRIMARY, SECONDARY

Salt Lake County, UT

Tooele County, UT

Warren County, NJ

Go Top